Mineralogical Society of America EIN 52-6044250

Mineralogical Society of America

EIN  52-6044250 Public charity (501(c)(3)) Chantilly, VA
Form 990 (PDF) Compare with another nonprofit →
Verified accurate 9/13/26 · see original filing: IRS
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Size
$1–10M
What they do
Advances mineralogy and related sciences through research and promotion.
Leadership
Ann E Benbow · Executive Director · $105K
Money in and out
$1.7M revenue, $2.2M expenses
Bottom line
80% program efficiency

Advances mineralogy and related sciences through research and promotion. For fiscal year 2024 it reported $1.7M in revenue, $2.2M in expenses, and $3.7M in net assets.Pt I

Where the money goes · FY2024
Total revenue
$1.7M
Pt VIII · Ln 12
Total expenses
$2.2M
Pt IX · Ln 25
Net assets
$3.7M
Pt X · Ln 32
Revenue less expenses (Pt I · Ln 19): −$442K
Where spending went · Part IX cols B–D
Program services $0.80 Management & general $0.20 Fundraising $0.00
Program efficiency
80%
of spending reaches programs▲ +10% vs prior filing year
Operating runway
22.8mo
months of highly liquid reserves at operating expense rate▼ -6% vs prior filing year
Surplus margin
-26%
revenue over expenses, this year▼ -376% vs prior filing year

Summary of the Filing

Part I · fiscal year 2024 · Form 990
Revenue
$1.7M
FY2024▼ -4%
Expenses
$2.2M
FY2024▲ +14%
Total assets
$5.8M
FY2024▲ +2%
Total liabilities
$2.1M
FY2024▲ +24%
Total revenue
$1.7M
Pt VIII · Ln 12
Total expenses
$2.2M
Pt IX · Ln 25
Net assets
$3.7M
Pt X · Ln 32
Revenue less expensesPt I · Ln 19−$442K
Total assetsPt X · Ln 16$5.8M
Program-expense ratioPt IX · col B80%
Voting members of governing bodyPt I · Ln 311
Independent voting membersPt I · Ln 411
Mission & Programs · Part III

Where the work happens

3 program services account for $1.7M of program spending, described in the organization's own filed words · FY2024.
01

Publications

Scientific publications (journals and books) and website produced for the advancement and promotion of mineralogy, crystallography, and petrology. Some examples of the publication are: American Mineralogist, subtitled in International Journal of Earth and Planetary Materials, is the print journal of the Society, and it has continuously…

$1.5Mprogram expense
02

Meetings, Symposia and Special Sessions

The Society sponsors or co-sponsors a variety of international and national meetings as well as symposia, special, and theme sessions at meetings.

$223Kprogram expense
03

Grants

Grants for research in crystallography from the E.H. Kraus Crystallographic Research Fund and grants for student research in mineralogy and petrology are given each year based on the quality, innovativeness, and scientific significance of the research proposed by students and young researchers.

$22Kprogram expense

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Identity & Classification

Form 990 Header · IRS Business Master File
Legal nameHdr · item CMineralogical Society of America
EINHdr · item D52-6044250
Principal addressHdr · item CChantilly, VA
WebsiteHdr · item Jwww.minsocam.org
Year of formationHdr · item Lpending
State of legal domicileHdr · item MVA
Exempt statusHdr · item I501(c)(3) · active
NTEE classificationIRS BMFScience & Technology (U30Z)
Ruling yearIRS BMFJan 1960

Governance & Policies

Part VI
Voting members of the governing bodyPt VI · Ln 1a11
Independent voting membersPt VI · Ln 1b11
Conflict-of-interest policyPt VI · Ln 12aYes
Whistleblower policyPt VI · Ln 13Yes
Document retention policyPt VI · Ln 14Yes
CEO/top-official compensation independently reviewedPt VI · Ln 15aYes
Family or business relationships among officers/directorsPt VI · Ln 2No

Officers, Directors & Key Employees

Part VII, Section A · reportable compensation
Executive Director
$105,000Pt VII · Sec A
$0Pt VII · Sec A
Past President
$0Pt VII · Sec A
Treasurer
$0Pt VII · Sec A
Secretary
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A
$0Pt VII · Sec A

Ann E Benbow’s $105K as Executive Director is at the 15th percentile of top reported officer pay among 361 $1–10M science & technology nonprofits. Peer set: organizations in the same NTEE major field of work and revenue-size band, compared on each org’s own highest-paid officer/key-employee, from Form 990 Part VII / 990-PF Part VIII. Descriptive placement, not a verdict on whether the pay is appropriate.

Compensation history total reportable pay by year · 3 named individuals · Part VII

NameFY2024FY2023FY2022FY2021FY2020
Ann E Benbow$132,866$132,860$132,860
Rachel Russell$112,338
Ann E Benbow$105,000$105,000

Total reportable compensation (Form 990 Part VII column D / Schedule J column E) by filing year, matched by name within this organization. The Schedule J base / bonus / deferred breakdown is not parsed into this dataset.

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Statement of Revenue

Part VIII
Program service revenue$1.3M · 77%
Investment income$235K · 14%
Contributions & grants$151K · 9%
Program service revenue77%$1.3M
Investment income14%$235K
Contributions & grants9%$151K
Other revenue$5K
— government grantsLn 1e$43K
Total revenueLn 12$1.7M

Statement of Functional Expenses

Part IX · allocated across program, management, and fundraising
Allocation · columns B–D
Program services $0.80 Management & general $0.20 Fundraising $0.00
Program services80%$1.7M
Management & general20%$423K
Fundraising$971
Total functional expensesLn 25$2.2M

Balance Sheet

Part X · end of year
CashLn 1$132K
Total assetsLn 16$5.8M
Total liabilitiesLn 26$2.1M
Total net assetsLn 32$3.7M
Months of cash on handcomputed0.7

Financial Metrics

Form 990 · FY2024 · each ratio shown with the dollars behind it
Liquidity & Payout
Operating runway
Highly liquid reserves $4.1M · Operating expenses/yr $2.2M
22.8 months
Where the money goes
Program services
Program services $1.7M · Total expenses $2.2M
80%
Management & General
Management & general $423K · Total expenses $2.2M
20%
Fundraising
Fundraising $971 · Total expenses $2.2M
0%
Cost to raise $1
Fundraising expense (3-yr avg) $918 · Solicited contributions (3-yr avg) $124K
$0.01 to raise $1 (3-yr avg)
Where the money comes from
Contribution dependence
Contributions & grants $151K · Total revenue $1.7M
9%
Government reliance
Government grants $43K · Total revenue $1.7M
3%
Earned-income share
Program service revenue $1.3M · Total revenue $1.7M
77%
Investment reliance
Investment income $235K · Total revenue $1.7M
+14%
Program self-sufficiency
Program service revenue $1.3M · Total expenses $2.2M
61%
Growth & trend
Revenue growth (YoY)
This year $1.7M · Prior year $1.8M
-4%
Revenue CAGR
FY2020 $1.5M · FY2024 $1.7M
+4%
Net-asset trend (YoY)
End of year $3.7M · Beginning of year —
Beginning net assets not meaningfully positive — showing dollar change
Balance sheet
Surplus Margin
Revenue $1.7M · Expenses $2.2M
-26%
Liabilities-to-Assets
Total liabilities — · Total assets $5.8M
Net-asset ratio
Net assets $3.7M · Total assets $5.8M
63%
Marketable Investment Share
Publicly traded securities (Pt X, ln 11) $3.9M · Other securities (Pt X, ln 12) $43K · Total assets (Pt X, ln 16) $5.8M
68%
People & payroll
Highest Reported Total Compensation
Individual Ann E Benbow · Reported title Executive Director · Highest reported compensation $105K · Total expenses $2.2M
5%
Personnel share
Salaries, benefits & payroll (Pt IX 5-10) $636K · Total expenses $2.2M
29%
Peer comparison

Same NTEE category, revenue band, and state where available. Descriptive — not a grade.

MetricThis orgPeer medianPercentile
Program ratio 80%
Overhead ratio 20%
Fundraising cost ratio 1%
Revenue growth -4%
Investment management fee ratio 1%
Legal fee ratio 0%
Accounting fee ratio 4%

Straight from the Form 990 — descriptive, not an evaluation. A ratio is hidden when its base is zero or too small to be meaningful; the dollars are always shown.

Grants

Schedule I · received and paid
Grants received · FY2024
Total grants receivedfrom 2 funders$11K
Grants paid · 9 grants · $84K · 2020–2024
Unitemized GrantFY2024$12,000
Unitemized GrantFY2024$5,000
Unitemized GrantFY2023$22,000
Unitemized GrantFY2022$10,000
Unitemized GrantFY2022$5,000
Unitemized GrantFY2021$10,000
Unitemized GrantFY2021$5,000
Unitemized GrantFY2020$10,000
Unitemized GrantFY2020$5,000

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Filings & Schedule Manifest

Part IV
III · Programs I · Grants R · Related orgs G · Fundraising L · Interested persons A · Public support F · Foreign M · Noncash
FY2024 (Latest)$1.7M revenue · viewing · ⤓ 990 PDF
FY2023$1.8M revenue · ⤓ 990 PDF
FY2022$1.8M revenue · ⤓ 990 PDF
FY2021$1.9M revenue · ⤓ 990 PDF
FY2020$1.5M revenue · ⤓ 990 PDF

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Sources

Every figure above is drawn from these filings
Form 990 e-file (XML) · FY2024IRS
Classification, formation year, addressIRS Business Master File
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